SIXNET
- Source for industrial (ruggedized) modems.
- http://www.sixnetio.com/

Eicon Networks
- VPN's, external ISDN modems, external-internal analog modems, PC cards.
- http://www.eicon.com/

Smart Link
- Specializes in modem technology, including riser, PCI, and USB modem chipsets and drivers.
- http://www.smlink.com/

Miille Applied Research Co., Inc.
- Universal protocol conversion products and modems. Over 50 protocols supported.
- http://www.miille.com/

Allied Data Technologies
- Designs, produces and markets fax modems, ISDN, DSL and fiber products.
- http://www.allieddata.com/

WMCS
- Specialized in wireless monitoring and control systems operating at short as well as long distance ranges.
- http://www.wmcs.net

Datatronics Technology
- A manufacture of professional modems for data communications solutions.
- http://www.tirupati.net/

Multi-Tech Modems
- Multi-Tech partners with industry leaders and invests in leading-edge technology to provide the fastest modem speeds possible.
- http://www.multitech.com/PRODUCTS/~modems/

U.S. Robotics
- Offers a variety of analog modems, including v.90, v.92, ISDN, DSL, and cable modems with dealer locator, company profile, and support.
- http://www.usr.com/

DCB Inc.
- Manufactures a variety of industrial modems.
- http://www.dcbnet.com/

Mainpine Limited
- Manufacturer of RockForce multi-port data, voice and fax modems.
- http://www.mainpine.com/

Zoom Telephonics
- Zoom products include dial-up and broadband modems, wireless LAN & WAN.
- http://www.zoom.com/

HDT Communications
- Industrial and military specialty modems including older bell-coded, V.series, and Link 1.
- http://www.hdtcomm.com/